Home / 89,995.14-134,699.76-66,293.35

Finding the Fourth Proportional to 89,995.14, 134,699.76 and 66,293.35

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Solution

The fourth proportional to 89,995.14, 134,699.76 and 66,293.35 is: 99,224.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,995.14 : 134,699.76 = 66,293.35 : x
  2. Step 2: Convert to fraction form
    89,995.14/134,699.76 = 66,293.35/x
  3. Step 3: Cross multiply
    89,995.14x = 134,699.76 × 66,293.35
  4. Step 4: Simplify right side
    89,995.14x = 8,929,697,997.85
  5. Step 5: Solve for x
    x = 8,929,697,997.85/89,995.14
  6. Step 6: Final answer
    x = 99,224.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.